﻿/*
 * Copyright (C) 2012 TheLionsRoar <thelionwillalwaysroar@gmail.com>
 * Copyright (C) 2012 Jedrix <jedrix2454@gmail.com>
 * 
 * This file is part of the LEO Game Library.
 * 
 * LEO is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * LEO is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have receieved a copy of the GNU General Public License
 * along with LEO. If not, see <http://www.gnu.org/licenses/>.
 */
using System;
using Microsoft.Xna.Framework;

namespace LEO.Framework {
    public static class Time {
        private static float deltaTime = 0.0F;
        private static int frameRate = 0;
        private static int frameCounter = 0;
        private static TimeSpan elapsedTime = TimeSpan.Zero;

        public static float DeltaTime {
            get { return deltaTime; }
        }

        public static float Framerate {
            get { return frameRate; }
        }

        public static void Update(GameTime gameTime) {
            deltaTime = gameTime.ElapsedGameTime.Milliseconds;
            elapsedTime += gameTime.ElapsedGameTime;
            if(elapsedTime > TimeSpan.FromSeconds(1)) {
                elapsedTime -= TimeSpan.FromSeconds(1);
                frameRate = frameCounter;
                frameCounter = 0;
            }
        }

        public static void Draw(GameTime gameTime) {
            frameCounter++;
        }
    }
}
